xref: /titanic_52/usr/src/uts/sun4u/sys/mc-us3.h (revision bdfc6d18da790deeec2e0eb09c625902defe2498)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_SYS_MC_US3_H
28 #define	_SYS_MC_US3_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 #if defined(_KERNEL)
37 
38 #define	NBANKS	4
39 #define	NDGRPS	2
40 #define	NDIMMS	4
41 #define	MAX_DEVLEN	8
42 #define	TRANSFER_SIZE	64
43 
44 #ifndef	_ASM
45 
46 struct mc_soft_state {
47 	dev_info_t *dip;	/* dev info of myself */
48 	int portid;
49 	int size;
50 	void *memlayoutp;
51 	volatile uchar_t *mc_base; /* Mapped base address of MC registers */
52 };
53 
54 struct dimm_info {
55 	char	label[NDGRPS * NDIMMS][MAX_DEVLEN];	/* dimm lable */
56 	char	sym_flag;	/* 1: symmetric 0: asymmetric */
57 	char	data[1];
58 };
59 
60 struct pin_info {
61 	uchar_t	dimmtable[144];
62 	uchar_t	pintable[576];
63 };
64 
65 /* This struct is included at the following structs to set up list */
66 typedef struct mc_dlist {
67 	struct mc_dlist *next;
68 	struct mc_dlist *prev;
69 	int id;
70 } mc_dlist_t;
71 
72 /* unique segment id */
73 struct seg_info {
74 	mc_dlist_t seg_node;
75 	int nbanks;		/* The number of banks at this segment */
76 	uint32_t ifactor;	/* Max interleave factor at this segment */
77 	uint64_t base;
78 	uint64_t size;		/* memory size per segment */
79 	struct bank_info *hb_inseg;	/* first bank at this segment */
80 	struct bank_info *tb_inseg;	/* last bank at this segment */
81 };
82 
83 /* id = mc_id * nbanks + bank_no */
84 struct bank_info {
85 	mc_dlist_t bank_node;
86 	int local_id;		/* unique local bank id per segment */
87 	int seg_id;		/* unique segment id */
88 	int devgrp_id;		/* unique device group id */
89 	ushort_t valid;		/* valid flag per logic bank */
90 	ushort_t uk;		/* Upper Mask field to mask match 4 PA[37:26] */
91 	uint_t um;		/* Upper Match field to match PA[42:26] */
92 	uchar_t lk;		/* Lower Mask field to mask match 4 PA[9:6] */
93 	uchar_t lm;		/* Lower Match field to match PA[9:6] */
94 	uint64_t size;		/* memory size per logical bank */
95 	struct bank_info *n_inseg; /* next bank at the same segment */
96 	struct bank_info *p_inseg; /* previous bank at the same segment */
97 	struct dimm_info *dimminfop;
98 };
99 
100 /* id = mc_id * ndevgrps + devgrp_no */
101 struct dgrp_info {
102 	mc_dlist_t dgrp_node;
103 	int ndevices;	/* The number of available devices on this dev group */
104 	uint64_t size;	/* memory size per physical dimm group */
105 	int deviceids[NDIMMS];	/* 4 dimms per group on excalibur */
106 };
107 
108 /* id = id of dgrp_info * ndevices + device_no */
109 struct device_info {
110 	mc_dlist_t dev_node;
111 	char label[MAX_DEVLEN];
112 	uint64_t size;		/* memory size per physical dimm */
113 };
114 
115 /* id = portid */
116 struct mctrl_info {
117 	mc_dlist_t mctrl_node;
118 	int ndevgrps;		/* The number of dimm groups */
119 	int devgrpids[NDGRPS];
120 };
121 
122 extern int (*p2get_mem_unum)(int, uint64_t, char *, int, int *);
123 extern int (*p2get_mem_info)(int, uint64_t, uint64_t *, uint64_t *,
124     uint64_t *, int *, int *, int *);
125 extern int plat_add_mem_unum_label(char *, int, int, int);
126 
127 uint64_t get_mcr(int);
128 
129 #ifdef	DEBUG
130 
131 #include <sys/promif.h>
132 
133 /* useful debugging level of DPRINTF */
134 #define	MC_ATTACH_DEBUG	0x00000001
135 #define	MC_DETACH_DEBUG	0x00000002
136 #define	MC_CMD_DEBUG	0x00000004
137 #define	MC_REG_DEBUG	0x00000008
138 #define	MC_GUNUM_DEBUG	0x00000010
139 #define	MC_CNSTRC_DEBUG	0x00000020
140 #define	MC_DESTRC_DEBUG	0x00000040
141 #define	MC_LIST_DEBUG	0x00000080
142 
143 static uint_t mc_debug = 0;
144 
145 #define	_PRINTF prom_printf
146 #define	DPRINTF(flag, args)	if (mc_debug & flag) _PRINTF args;
147 #else
148 #define	DPRINTF(flag, args)
149 
150 #endif /* DEBUG */
151 
152 #endif	/* !_ASM */
153 
154 /* Memory Address Decoding Registers */
155 #define	ASI_MCU_CTRL	0x72
156 #define	REGOFFSET	8
157 #define	MADR0OFFSET	0x10
158 
159 /* Mask and shift constants for Memory Address Decoding */
160 #define	MADR_UPA_MASK	0x7fffc000000LL		/* 17 bits */
161 #define	MADR_LPA_MASK	0x000000003c0LL		/* 4 bits */
162 #define	MADR_LK_MASK	0x0000003c000LL		/* 4 bits */
163 
164 #define	MADR_UPA_SHIFT	26
165 #define	MADR_LPA_SHIFT	6
166 #define	MADR_LK_SHIFT	14
167 
168 #endif	/* _KERNEL */
169 
170 #ifdef	__cplusplus
171 }
172 #endif
173 
174 #endif	/* _SYS_MC_US3_H */
175